Taian precision Steel ball Co., Ltd is located in Maozhuang Industrial park, Ningyang, Taian City, Shandong. It is established in 1990 covered an area of 10 acres. Now there are 140 employees, over 290 pieces of advanced production facilities, contains 156 pieces wire implantation machines, 20 pieces of vertical mills, 30 pieces of horizontal mills, 18 pieces of electric furnace, more than 15 pieces of special use test machines for steel ball and 30pieces of steel ball classificators. The annual output for kinds of steel ball are reached to 9000 tons.